/*	Interactive Gravitational Simulator
	Project: IGS Core
	File: WorldPoint.cpp
	Author: Mike Bantegui <mbante2@gmail.com>, Hofstra University 
	Copyright (C) 2012 - 2013 Mike Bantegui

	This file is part of the IGS software package for simulating
	the N-Body problem in real-time. This was developed as part
	of a departmental honors thesis project at Hofstra University
	in the Spring 2012 semester.

	IGS is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	IGS is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#include "WorldPoint.h"

namespace IGS
{

// Default construct the WorldPoint
WorldPoint::WorldPoint() : Time(1E12)
{
}

// Construct a WorldPoint from a given phase space and time.
WorldPoint::WorldPoint(const Vector &position, const Vector &velocity,
	const double time) : PhasePoint(position, velocity), Time(time),
	Acceleration(0, 0, 0)
{
#if DerivativeCount > 1
	Jerk.Zero();
#endif
#if DerivativeCount > 2
	Snap.Zero();
#endif
}

// Applies the accumulated derivatives to this WorldPoint
void WorldPoint::ApplyDerivatives(const Derivatives &derivative)
{
	Acceleration = derivative.Acceleration;
#if DerivativeCount > 1
	Jerk = derivative.Jerk;
#endif
#if DerivativeCount > 2
	Snap = derivative.Snap;
#endif
}

}